net/ixgbe: fix address of first segment

This patch fixes (dereference after null check) coverity issue.
The address of first segmented packets was not set correctly during
reassembling packets which led to this issue.

Coverity issue: 13245
Fixes: 8a44c15aa57d ("net/ixgbe: extract non-x86 specific code from vector driver")
Cc: stable@dpdk.org
Signed-off-by: Xiao Zhang <xiao.zhang@intel.com>
Acked-by: Xiaolong Ye <xiaolong.ye@intel.com>

diff --git a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
index c9ba48246a9c9f5e08f0c1da2452c9d1f92a1106..599ba30e5115e3de3950b9924d4b4d2bbd033f7c 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
@@ -609,6 +609,7 @@ ixgbe_recv_scattered_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
                        i++;
                if (i == nb_bufs)
                        return nb_bufs;
+               rxq->pkt_first_seg = rx_pkts[i];
        }
        return i + reassemble_packets(rxq, &rx_pkts[i], nb_bufs - i,
                &split_flags[i]);